PlayPlay.io - Chess and Ping Pong tracking in Slack
Lipoker - The easiest way to play poker online with friends
Pinpon - The ping pong bot for Slack
Cards against Humanity - A party game for horrible people.
Papio - Friendly foosball scorekeeper and stats tracker for Slack
Cards Against Muggles - Cards Against Muggles is a game similar to the game cards against humanity in which friends can play cards among themselves and answer the dumb questions that the other person is asking.